GMC Envoy Problem Report

GMC Envoy ABS Light Due to Brake System Control Unit Failure

(12 reports)

The Anti-lock brake system (ABS) control unit may fail internally causing the ABS warning light to illuminate.

Check brake system light on, ABS light on, audible warning; brakes seem to work fine but not sure if ABS still enabled. -
ABS LIGHT COME ON AND STAY ON WHEN DRIVING. SOMETIMES IT WOULD AFFECT THE BRAKING. -
abs light comes on sporadically when applying brakes. also feel a pumping sensation in pedal and a noise at same time which causes volt meter to temporarily begin discharging. unknown cause to problem. taking to mechanic for diagnosis. -
Abs and brake lights on. Can't figure outnidsye -
ABS light and brake light stay lit up -
ABS light and loud auditory warning whenever I drive the vehicle. We have replaced one of the ABS sensors on the front passenger wheel, since beating needed to be replaced to pass inspection. Still didn't help problem. -
ABS light come's 0n when driving on ice in 4 wheel drive. -
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